<template>
  <div class="wrapper">
    <Header></Header>
    <SideBar></SideBar>
    <div class="content-box" :class="{ 'content-collapse': collapse }">
      <!-- <v-tags></v-tags> -->
      <div class="content">
        <transition name="move" mode="out-in">
          <keep-alive :include="tagsList">
            <router-view></router-view>
          </keep-alive>
        </transition>
        <el-backtop target=".content"></el-backtop>
      </div>
    </div>
  </div>
</template>

<script>
import Header from '../components/HeaderView'
import SideBar from '../components/SideBar'
import bus from '../components/common/bus'

export default {
  name: 'HomeView',
  components: {
    Header,
    SideBar,
  },
  data() {
    return {
      tagsList: [],
      collapse: false,
    }
  },
  created() {
    bus.$on('collapse-content', (msg) => {
      this.collapse = msg
    })

    // // 只有在标签页列表里的页面才使用keep-alive，即关闭标签之后就不保存到内存中了。
    // bus.$on('tags', (msg) => {
    //   let arr = []
    //   for (let i = 0, len = msg.length; i < len; i++) {
    //     msg[i].name && arr.push(msg[i].name)
    //   }
    //   this.tagsList = arr
    // })
  },
}
</script>
<style scoped></style>
